US Bridges

US81 over N Fk Elkhorn River Trib

Good

Pierce County, Nebraska · 8N Norfolk · Structure no. S081 16590

Built
1938
87 years old, rebuilt 1985
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
45 ft
6 main spans
Daily traffic
4,615
2018 count
Owner
State
State Highway Agency

About this bridge

US81 over N Fk Elkhorn River Trib is a concrete culvert carrying US81 over N Fk Elkhorn River Trib in Pierce County, Nebraska. It was built in 1938 and reconstructed in 1985, so it is 87 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,615 vehicles a day, roughly 18% of them trucks, projected to reach 6,692 by 2038. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 68.4 mi (110 km).

CarriesUS81
CrossesN Fk Elkhorn River Trib
Location8N Norfolk
RouteU.S. Route 81
Coordinates42.1623, -97.4264
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,615 (2018)
Projected traffic6,692 by 2038
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US81 over N Fk Elkhorn River Trib built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1985.

What condition is US81 over N Fk Elkhorn River Trib in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does US81 over N Fk Elkhorn River Trib carry?

About 4,615 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is US81 over N Fk Elkhorn River Trib?

The structure is 45 ft (13.7 m) long with a longest span of 6 ft (1.8 m).

Who owns US81 over N Fk Elkhorn River Trib?

It is owned by the State Highway Agency.